Debug/trace settings and values for walks, as a comma-separated list of
param=value" tuples. These are generally only set at the
request of Thunderstone tech support, as they can cause copious
tracing messages to appear as walk "errors", some of which may
reveal authentication or other sensitive information. Supported
settings and values are subject to possible change in future releases.
See also Search Trace Settings, here,
which has the same syntax.